Mar 6, 2018
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The new 2018 version (Sep/2018 Updated) 70-487 dumps now are available, here are part of 70-487 exam questions (FYI):

[Get the VCE dumps and PDF dumps download link at the end of this post]

You have developed a .NET Standard Library. You need to produce a NuGet package.
Solution: Run the msbuild command with the publish target specified.
Does the solution meet the goal?

A. Yes
B. No

Answer: B
Package the component with the NuGet pack command.

You develop a REST API that uses Node.js. The API will store data in Azure Cosmos DB. You plan to deploy the API to a new Azure App Services Web App. You create a new Web App by using the Azure portal. The API must be deployed by using SFTP. You need to provide the proper deployment credentials to deploy the API.
Solution: Download the. PublishSettings file and enter the username and password located in the file.
Does the solution meet the goal?

A. Yes
B. No

Answer: A

You deploy an ASP.NET Core web application to Azure App Services. You are using Azure Event Hubs to collect the telemetry data for the application. You need to configure Event Hubs to automatically deliver the telemetry data stream to a persistent data store.
Solution: Configure Event Hubs Capture to deliver data to Azure Blob storage.
Does the solution meet the goal?

A. Yes
B. No

Answer: A
Azure Event Hubs Capture enables you to automatically deliver the streaming data in Event Hubs to an Azure Blob storage or Azure Data Lake Store account of your choice, with the added flexibility of specifying a time or size interval.

You are developing an ASP.NET Core web application by using an Entity Framework code-first approach. The application uses a SQLite database. You make changes to the classes in the model. You must apply the changes to the database. You need to suggest an approach to reliably handle the Entity Framework migrations. Which three actions should you perform? (Each correct answer presents a part of the solution. Choose three.)

A. Modify the scaffolded migration script to drop the modified tables.
B. Run the following command: dotnet ef database update.
C. Modify the scaffolded migration script to create new tables with the migration changes.
D. Modify the scaffolded migration script to drop the existing database and create the new database.
E. Run the following command: dotnet ef migrations add.

Answer: CDE
E: Run dotnet ef migrations add InitialCreate to scaffold a migration and create the initial set of tables for the model.
C: You can workaround some of the SQLite limitations by manually writing code in your migrations to perform a table rebuild. A table rebuild involves renaming the existing table, creating a new table, copying data to the new table, and dropping the old table.
D: SQLite does not support all migrations (schema changes) due to limitations in SQLite. For new development, consider dropping the database and creating a new one rather than using migrations when your model changes.

You deploy a RESTful ASP.NET Web API to manage order processing. You are developing an Azure App Services Web App to consume the API and allow customers to order products. You use the HttpClient object to process order entries. The API throws SocketException errors when the Web App experiences a high volume of concurrent users. You need to resolve the errors. What should you do?

A. Implement a Using statement block when declaring the HttpClient object.
B. Increase the value of the Timeout property when declaring the HttpClient object.
C. Use the static modifier to declare the HttpClient object.
D. Create a new HttpClient instance for each API request and use asynchronous method calls.

Answer: C
If the class that wraps the external resource is shareable and thread-safe, create a shared singleton instance or a pool of reusable instances of the class.

You are developing a Microsoft Azure web application. The application will be deployed to 10 web role instances. A minimum of 8 running instances is needed to meet scaling requirements. You need to configure the application so that upgrades are performed as quickly as possible, but do not violate scaling requirements. How many upgrade domains should you use?

A. 1
B. 2
C. 5
D. 10

Answer: B
The .csdef is only used for Cloud Services, not for VMs. So regardless of what you set or even how you try to do it, Azure VM UDs come in groups of 5. With 8 VMs, that means you'll have 2 UDs.

You are developing a web application by using Microsoft .NET Framework 4.5. You are creating a web client for the application. The web client will make REST calls to several web services. You need to ensure that the web client meets the following requirements:
- Uses the Task class to perform asynchronous operations
- Reuses recently resolved DNS lookups
Which object should you include in the solution?

A. ServiceClient
B. WebClient
C. HttpClient
D. WebRequest

Answer: C

You have a Microsoft Visual Studio project named Project1 that is deployed as an Azure web app. The Azure web app uses an Azure SQL Database. You plan to deploy updates to the Azure web app by using a Web Deploy Package. The password for the Azure SQL Database was changed since you first published the Azure web app. You need to deploy the package by using Windows PowerShell. Which file should you modify before running the PowerShell deployment script?

A. WebApiConfig.cs from the App_Start folder
B. IdentityConfig.cs from the App_Start folder
C. App.config from the Web Application folder
D. Project1-waws-dev.json from the Configurations folder

Answer: A

You need to choose the appropriate data access technology for the cookbook area of the web application. Which data access technology should you choose?

A. WCF Data Services
D. Entity Framework

Answer: A

You create a web application. You deploy the application by using a Web Deploy Package. You need to identify which setting will be created automatically in the SetParameters.xml file during the package generation. Which three settings should you identify? (Each correct answer presents part of the solution. Choose three.)

A. the connection strings in the Web.config file
B. the destination IIS web application path and name
C. the service endpoints of the Web.config file
D. the connection strings of any databases you add to the Package/Publish SQL tab on the Properties page of the project
E. the application settings of the Web.config file

Answer: ABD

You have a Windows Communication Foundation (WCF) service named Service1. You deploy the WCF service at the root level of a website in Azure. The address of the Azure website is You need to generate a .cs file that can be used to interact with Service1. What command should you run? To answer, select the appropriate options in the answer area.


Drag and Drop
You are developing a web application that uses the Entity Framework. You plan to use the table-per-type mapping strategy to store the following data:
You need to implement a mapping strategy that will store the data. How should you complete the code? (To answer, drag the appropriate methods to the correct locations. Each method may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)



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